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-rw-r--r--Documentation/feature-removal-schedule.txt7
-rw-r--r--arch/x86/kernel/process.c1
2 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index f1b0eb02aa1..13f0bb3187b 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -35,6 +35,13 @@ Who: Len Brown <len.brown@intel.com>
----------------------------
+What: x86 "idle=mwait" cmdline param
+When: 2012
+Why: simplify x86 idle code
+Who: Len Brown <len.brown@intel.com>
+
+----------------------------
+
What: PRISM54
When: 2.6.34
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 84f3cdae440..8fb182956cb 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -645,6 +645,7 @@ static int __init idle_setup(char *str)
boot_option_idle_override = IDLE_POLL;
} else if (!strcmp(str, "mwait")) {
boot_option_idle_override = IDLE_FORCE_MWAIT;
+ WARN_ONCE(1, "\idle=mwait\" will be removed in 2012\"\n");
} else if (!strcmp(str, "halt")) {
/*
* When the boot option of idle=halt is added, halt is